DotNet 4.8.1 build of DotNetBar
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224
PROMS/DotNetBar Source Code/TextMarkup/TextElement.cs
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224
PROMS/DotNetBar Source Code/TextMarkup/TextElement.cs
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using System;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Text;
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#if AdvTree
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namespace DevComponents.Tree.TextMarkup
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#elif DOTNETBAR
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namespace DevComponents.DotNetBar.TextMarkup
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#elif SUPERGRID
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namespace DevComponents.SuperGrid.TextMarkup
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#elif LAYOUT
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namespace DevComponents.DotNetBar.Layout.TextMarkup
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#endif
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{
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internal class TextElement : MarkupElement
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{
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private static bool PadText = false;
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static TextElement()
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{
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string lc = System.Windows.Forms.Application.CurrentCulture.TwoLetterISOLanguageName;
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if (lc == "ja")
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PadText = true;
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}
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#region Private Variables
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private string m_Text = "";
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private bool m_TrailingSpace = false;
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private bool m_EnablePrefixHandling = true;
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#endregion
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#region Internal Implementation
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public override void Measure(System.Drawing.Size availableSize, MarkupDrawContext d)
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{
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#if (FRAMEWORK20)
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if (BarUtilities.UseTextRenderer)
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{
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eTextFormat format = eTextFormat.Default | eTextFormat.NoPadding;
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if (!d.HotKeyPrefixVisible || m_EnablePrefixHandling)
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format |= eTextFormat.HidePrefix;
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Size size = Size.Empty;
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if (m_TrailingSpace)
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{
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if (d.CurrentFont.Italic)
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{
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size = Size.Ceiling(TextDrawing.MeasureString(d.Graphics, m_Text, d.CurrentFont, 0, format));
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size.Width += (int)(d.Graphics.MeasureString("||", d.CurrentFont).Width / 4);
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}
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else
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size = Size.Ceiling(TextDrawing.MeasureString(d.Graphics, m_Text + (BarFunctions.IsVista && m_Text.Length > 0 ? "|" : "||"), d.CurrentFont, 0, format));
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}
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else
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size = Size.Ceiling(TextDrawing.MeasureString(d.Graphics, m_Text, d.CurrentFont, 0, format));
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if (PadText)
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{
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size.Width += BarUtilities.TextMarkupCultureSpecificPadding;
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size.Height += BarUtilities.TextMarkupCultureSpecificPadding;
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}
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this.Bounds = new Rectangle(Point.Empty, size);
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}
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else
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#endif
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{
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using (StringFormat format = new StringFormat(StringFormat.GenericTypographic))
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{
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format.FormatFlags = StringFormatFlags.NoWrap;
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if (d.HotKeyPrefixVisible || !m_EnablePrefixHandling)
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format.HotkeyPrefix = System.Drawing.Text.HotkeyPrefix.Show;
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else
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format.HotkeyPrefix = System.Drawing.Text.HotkeyPrefix.Hide;
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if (m_TrailingSpace)
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{
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if (d.CurrentFont.Italic)
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{
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Size size = Size.Ceiling(d.Graphics.MeasureString(m_Text, d.CurrentFont, 0, format));
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size.Width += (int)(d.Graphics.MeasureString("|", d.CurrentFont).Width / 4);
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if (PadText)
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{
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size.Width += BarUtilities.TextMarkupCultureSpecificPadding;
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size.Height += BarUtilities.TextMarkupCultureSpecificPadding;
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}
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this.Bounds = new Rectangle(Point.Empty, size);
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}
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else
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{
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Size size = Size.Ceiling(d.Graphics.MeasureString(m_Text + "|", d.CurrentFont, 0, format));
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if (PadText)
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{
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size.Width += BarUtilities.TextMarkupCultureSpecificPadding;
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size.Height += BarUtilities.TextMarkupCultureSpecificPadding;
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}
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this.Bounds = new Rectangle(Point.Empty, size);
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}
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}
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else
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{
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Size size = Size.Ceiling(d.Graphics.MeasureString(m_Text, d.CurrentFont, 0, format));
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if (PadText)
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{
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size.Width += BarUtilities.TextMarkupCultureSpecificPadding;
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size.Height += BarUtilities.TextMarkupCultureSpecificPadding;
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}
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this.Bounds = new Rectangle(Point.Empty, size);
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}
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}
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}
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IsSizeValid = true;
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}
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public override void Render(MarkupDrawContext d)
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{
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Rectangle r = this.Bounds;
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r.Offset(d.Offset);
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if (!d.ClipRectangle.IsEmpty && !r.IntersectsWith(d.ClipRectangle))
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return;
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Graphics g = d.Graphics;
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#if (FRAMEWORK20)
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if (BarUtilities.UseTextRenderer)
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{
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eTextFormat format = eTextFormat.Default | eTextFormat.NoClipping | eTextFormat.NoPadding;
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if (d.RightToLeft) format |= eTextFormat.RightToLeft;
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if (!d.HotKeyPrefixVisible)
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format |= eTextFormat.HidePrefix;
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if (!d.ClipRectangle.IsEmpty && r.Right > d.ClipRectangle.Right)
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{
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format|= eTextFormat.EndEllipsis;
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r.Width -= (r.Right - d.ClipRectangle.Right);
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}
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TextDrawing.DrawString(g, m_Text, d.CurrentFont, d.CurrentForeColor, r, format);
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}
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else
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#endif
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{
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using (StringFormat format = new StringFormat(StringFormat.GenericTypographic))
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{
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format.FormatFlags |= StringFormatFlags.NoWrap;
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if (d.RightToLeft) format.FormatFlags |= StringFormatFlags.DirectionRightToLeft;
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if (d.HotKeyPrefixVisible)
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format.HotkeyPrefix = System.Drawing.Text.HotkeyPrefix.Show;
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else
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format.HotkeyPrefix = System.Drawing.Text.HotkeyPrefix.Hide;
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if (!d.ClipRectangle.IsEmpty && r.Right > d.ClipRectangle.Right)
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{
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format.Trimming = StringTrimming.EllipsisCharacter;
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r.Width -= (r.Right - d.ClipRectangle.Right);
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}
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using (SolidBrush brush = new SolidBrush(d.CurrentForeColor))
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g.DrawString(m_Text, d.CurrentFont, brush, r, format);
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}
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}
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if (d.StrikeOut == true)
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{
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// StrikeOut
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float descent = d.CurrentFont.FontFamily.GetCellDescent(d.CurrentFont.Style) *
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d.CurrentFont.Size / d.CurrentFont.FontFamily.GetEmHeight(d.CurrentFont.Style) + 1;
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using (Pen pen = new Pen(d.CurrentForeColor, 1))
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{
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SmoothingMode sm = g.SmoothingMode;
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g.SmoothingMode = SmoothingMode.Default;
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float y = r.Top + (r.Height + descent) / 2;
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g.DrawLine(pen, r.X, y, r.Right - 1, y);
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g.SmoothingMode = sm;
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}
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}
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if ((d.HyperLink && (d.HyperlinkStyle == null || d.HyperlinkStyle.UnderlineStyle != eHyperlinkUnderlineStyle.None)) || d.Underline)
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{
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// Underline Hyperlink
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float descent = d.CurrentFont.FontFamily.GetCellDescent(d.CurrentFont.Style) * d.CurrentFont.Size / d.CurrentFont.FontFamily.GetEmHeight(d.CurrentFont.Style);
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using (Pen pen = new Pen(d.CurrentForeColor, 1))
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{
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if (d.HyperLink && d.HyperlinkStyle != null && d.HyperlinkStyle.UnderlineStyle == eHyperlinkUnderlineStyle.DashedLine)
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pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash;
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descent -= 1;
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System.Drawing.Drawing2D.SmoothingMode sm = g.SmoothingMode;
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g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.Default;
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g.DrawLine(pen, r.X, r.Bottom - descent, r.Right - 1, r.Bottom - descent);
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g.SmoothingMode = sm;
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}
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}
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this.RenderBounds = r;
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}
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protected override void ArrangeCore(System.Drawing.Rectangle finalRect, MarkupDrawContext d) {}
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public string Text
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{
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get { return m_Text; }
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set
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{
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m_Text = value;
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this.IsSizeValid = false;
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}
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}
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public bool TrailingSpace
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{
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get { return m_TrailingSpace; }
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set
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{
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m_TrailingSpace = value;
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this.IsSizeValid = false;
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}
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}
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public bool EnablePrefixHandling
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{
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get { return m_EnablePrefixHandling; }
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set { m_EnablePrefixHandling = value; }
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}
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#endregion
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}
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}
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